<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/**
<span class='line'>  2</span>  * Hilo
<span class='line'>  3</span>  * Copyright 2015 alibaba.com
<span class='line'>  4</span>  * Licensed under the MIT License
<span class='line'>  5</span>  */</span><span class="WHIT">
<span class='line'>  6</span> 
<span class='line'>  7</span> </span><span class="COMM">/**
<span class='line'>  8</span>  * @class Container是所有容器类的基类。每个Container都可以添加其他可视对象为子级。
<span class='line'>  9</span>  * @augments View
<span class='line'> 10</span>  * @param {Object} properties 创建对象的属性参数。可包含此类所有可写属性。
<span class='line'> 11</span>  * @module hilo/view/Container
<span class='line'> 12</span>  * @requires hilo/core/Hilo
<span class='line'> 13</span>  * @requires hilo/core/Class
<span class='line'> 14</span>  * @requires hilo/view/View
<span class='line'> 15</span>  * @property {Array} children 容器的子元素列表。只读。
<span class='line'> 16</span>  * @property {Boolean} pointerChildren 指示容器的子元素是否能响应用户交互事件。默认为true。
<span class='line'> 17</span>  * @property {Boolean} clipChildren 指示是否裁剪超出容器范围的子元素。默认为false。
<span class='line'> 18</span>  */</span><span class="WHIT">
<span class='line'> 19</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">Container</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Class.create</span><span class="PUNC">(</span><span class="COMM">/** @lends Container.prototype */</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 20</span> </span><span class="WHIT">    </span><span class="NAME">Extends</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">View</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 21</span> </span><span class="WHIT">    </span><span class="NAME">constructor</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 22</span> </span><span class="WHIT">        </span><span class="NAME">properties</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT">        </span><span class="NAME">this.id</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.id</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">properties.id</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">Hilo.getUid</span><span class="PUNC">(</span><span class="STRN">"Container"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT">        </span><span class="NAME">Container.superclass.constructor.call</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 25</span> 
<span class='line'> 26</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.children</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">this._updateChildren</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT">        </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 28</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 29</span> 
<span class='line'> 30</span> </span><span class="WHIT">    </span><span class="NAME">children</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 31</span> </span><span class="WHIT">    </span><span class="NAME">pointerChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">    </span><span class="NAME">clipChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 33</span> 
<span class='line'> 34</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 35</span>      * 返回容器的子元素的数量。
<span class='line'> 36</span>      * @returns {Uint} 容器的子元素的数量。
<span class='line'> 37</span>      */</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">    </span><span class="NAME">getNumChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">this.children.length</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 41</span> 
<span class='line'> 42</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 43</span>      * 在指定索引位置添加子元素。
<span class='line'> 44</span>      * @param {View} child 要添加的子元素。
<span class='line'> 45</span>      * @param {Number} index 指定的索引位置，从0开始。
<span class='line'> 46</span>      */</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">    </span><span class="NAME">addChildAt</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">            </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">            </span><span class="NAME">parent</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child.parent</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 51</span> 
<span class='line'> 52</span> </span><span class="WHIT">        </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getChildIndex</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">            </span><span class="NAME">children.splice</span><span class="PUNC">(</span><span class="NAME">childIndex</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">            </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">parent</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">            </span><span class="NAME">parent.removeChild</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 62</span> 
<span class='line'> 63</span> </span><span class="WHIT">        </span><span class="NAME">children.splice</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 64</span> 
<span class='line'> 65</span> </span><span class="WHIT">        </span><span class="COMM">//直接插入，影响插入位置之后的深度</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">        </span><span class="COMM">//Insert directly, this will affect depth of elements after the index.</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">            </span><span class="NAME">this._updateChildren</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 70</span> </span><span class="WHIT">        </span><span class="COMM">//只是移动时影响中间段的深度</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">        </span><span class="COMM">//Will affect depth of elements in the middle during moving</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">        </span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">startIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">endIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">childIndex</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">childIndex</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">            </span><span class="NAME">this._updateChildren</span><span class="PUNC">(</span><span class="NAME">startIndex</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">endIndex</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 77</span> 
<span class='line'> 78</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 80</span> 
<span class='line'> 81</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 82</span>      * 在最上面添加子元素。
<span class='line'> 83</span>      * @param {View} child 要添加的子元素。
<span class='line'> 84</span>      */</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">    </span><span class="NAME">addChild</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 86</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">total</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children.length</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">            </span><span class="NAME">args</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 88</span> 
<span class='line'> 89</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">args.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 90</span> </span><span class="WHIT">            </span><span class="NAME">this.addChildAt</span><span class="PUNC">(</span><span class="NAME">args</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">total</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 94</span> 
<span class='line'> 95</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 96</span>      * 在指定索引位置删除子元素。
<span class='line'> 97</span>      * @param {Int} index 指定删除元素的索引位置，从0开始。
<span class='line'> 98</span>      * @returns {View} 被删除的对象。
<span class='line'> 99</span>      */</span><span class="WHIT">
<span class='line'>100</span> </span><span class="WHIT">    </span><span class="NAME">removeChildAt</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>102</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>103</span> 
<span class='line'>104</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>105</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>106</span> </span><span class="WHIT">            </span><span class="COMM">//NOTE: use `__renderer` for fixing child removal (DOMRenderer and FlashRenderer only).</span><span class="WHIT">
<span class='line'>107</span> </span><span class="WHIT">            </span><span class="COMM">//Do `not` use it in any other case.</span><span class="WHIT">
<span class='line'>108</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">child.__renderer</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>109</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">obj</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>110</span> </span><span class="WHIT">                </span><span class="KEYW">while</span><span class="PUNC">(</span><span class="NAME">obj</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">obj.parent</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>111</span> </span><span class="WHIT">                    </span><span class="COMM">//obj is stage</span><span class="WHIT">
<span class='line'>112</span> </span><span class="WHIT">                    </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">obj.renderer</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>113</span> </span><span class="WHIT">                        </span><span class="NAME">child.__renderer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">obj.renderer</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>114</span> </span><span class="WHIT">                        </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>115</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>116</span> </span><span class="WHIT">                    </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">obj.__renderer</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>117</span> </span><span class="WHIT">                        </span><span class="NAME">child.__renderer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">obj.__renderer</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>118</span> </span><span class="WHIT">                        </span><span class="KEYW">break</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>119</span> </span><span class="WHIT">                    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>120</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>121</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>122</span> 
<span class='line'>123</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child.__renderer</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>124</span> </span><span class="WHIT">                </span><span class="NAME">child.__renderer.remove</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>125</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>126</span> 
<span class='line'>127</span> </span><span class="WHIT">            </span><span class="NAME">child.parent</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>128</span> </span><span class="WHIT">            </span><span class="NAME">child.depth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>129</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>130</span> 
<span class='line'>131</span> </span><span class="WHIT">        </span><span class="NAME">children.splice</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>132</span> </span><span class="WHIT">        </span><span class="NAME">this._updateChildren</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>133</span> 
<span class='line'>134</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>135</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>136</span> 
<span class='line'>137</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>138</span>      * 删除指定的子元素。
<span class='line'>139</span>      * @param {View} child 指定要删除的子元素。
<span class='line'>140</span>      * @returns {View} 被删除的对象。
<span class='line'>141</span>      */</span><span class="WHIT">
<span class='line'>142</span> </span><span class="WHIT">    </span><span class="NAME">removeChild</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>143</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">this.removeChildAt</span><span class="PUNC">(</span><span class="NAME">this.getChildIndex</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>144</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>145</span> 
<span class='line'>146</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>147</span>      * 删除指定id的子元素。
<span class='line'>148</span>      * @param {String} id 指定要删除的子元素的id。
<span class='line'>149</span>      * @returns {View} 被删除的对象。
<span class='line'>150</span>      */</span><span class="WHIT">
<span class='line'>151</span> </span><span class="WHIT">    </span><span class="NAME">removeChildById</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">id</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>152</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>153</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>154</span> </span><span class="WHIT">            </span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>155</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child.id</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">id</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>156</span> </span><span class="WHIT">                </span><span class="NAME">this.removeChildAt</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>157</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>158</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>159</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>160</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>161</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>162</span> 
<span class='line'>163</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>164</span>      * 删除所有的子元素。
<span class='line'>165</span>      * @returns {Container} 容器本身。
<span class='line'>166</span>      */</span><span class="WHIT">
<span class='line'>167</span> </span><span class="WHIT">    </span><span class="NAME">removeAllChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>168</span> </span><span class="WHIT">        </span><span class="KEYW">while</span><span class="PUNC">(</span><span class="NAME">this.children.length</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">this.removeChildAt</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>169</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>170</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>171</span> 
<span class='line'>172</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>173</span>      * 返回指定索引位置的子元素。
<span class='line'>174</span>      * @param {Number} index 指定要返回的子元素的索引值，从0开始。
<span class='line'>175</span>      */</span><span class="WHIT">
<span class='line'>176</span> </span><span class="WHIT">    </span><span class="NAME">getChildAt</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>177</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>178</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>179</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>180</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>181</span> 
<span class='line'>182</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>183</span>      * 返回指定id的子元素。
<span class='line'>184</span>      * @param {String} id 指定要返回的子元素的id。
<span class='line'>185</span>      */</span><span class="WHIT">
<span class='line'>186</span> </span><span class="WHIT">    </span><span class="NAME">getChildById</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">id</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>187</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>188</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>189</span> </span><span class="WHIT">            </span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>190</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child.id</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">id</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>191</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>192</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>193</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>194</span> 
<span class='line'>195</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>196</span>      * 返回指定子元素的索引值。
<span class='line'>197</span>      * @param {View} child 指定要返回索引值的子元素。
<span class='line'>198</span>      */</span><span class="WHIT">
<span class='line'>199</span> </span><span class="WHIT">    </span><span class="NAME">getChildIndex</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>200</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">this.children.indexOf</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>201</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>202</span> 
<span class='line'>203</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>204</span>      * 设置子元素的索引位置。
<span class='line'>205</span>      * @param {View} child 指定要设置的子元素。
<span class='line'>206</span>      * @param {Number} index 指定要设置的索引值。
<span class='line'>207</span>      */</span><span class="WHIT">
<span class='line'>208</span> </span><span class="WHIT">    </span><span class="NAME">setChildIndex</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>209</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>210</span> </span><span class="WHIT">            </span><span class="NAME">oldIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.indexOf</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>211</span> 
<span class='line'>212</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">oldIndex</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">oldIndex</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>213</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>214</span> </span><span class="WHIT">            </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">index</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>215</span> </span><span class="WHIT">            </span><span class="NAME">children.splice</span><span class="PUNC">(</span><span class="NAME">oldIndex</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>216</span> </span><span class="WHIT">            </span><span class="NAME">children.splice</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>217</span> </span><span class="WHIT">            </span><span class="NAME">this._updateChildren</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>218</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>219</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>220</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>221</span> 
<span class='line'>222</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>223</span>      * 交换两个子元素的索引位置。
<span class='line'>224</span>      * @param {View} child1 指定要交换的子元素A。
<span class='line'>225</span>      * @param {View} child2 指定要交换的子元素B。
<span class='line'>226</span>      */</span><span class="WHIT">
<span class='line'>227</span> </span><span class="WHIT">    </span><span class="NAME">swapChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child2</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>228</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>229</span> </span><span class="WHIT">            </span><span class="NAME">index1</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getChildIndex</span><span class="PUNC">(</span><span class="NAME">child1</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>230</span> </span><span class="WHIT">            </span><span class="NAME">index2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getChildIndex</span><span class="PUNC">(</span><span class="NAME">child2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>231</span> 
<span class='line'>232</span> </span><span class="WHIT">        </span><span class="NAME">child1.depth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>233</span> </span><span class="WHIT">        </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">index2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>234</span> </span><span class="WHIT">        </span><span class="NAME">child2.depth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>235</span> </span><span class="WHIT">        </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">index1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>236</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>237</span> 
<span class='line'>238</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>239</span>      * 交换两个指定索引位置的子元素。
<span class='line'>240</span>      * @param {Number} index1 指定要交换的索引位置A。
<span class='line'>241</span>      * @param {Number} index2 指定要交换的索引位置B。
<span class='line'>242</span>      */</span><span class="WHIT">
<span class='line'>243</span> </span><span class="WHIT">    </span><span class="NAME">swapChildrenAt</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">index1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">index2</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>244</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>245</span> </span><span class="WHIT">            </span><span class="NAME">child1</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getChildAt</span><span class="PUNC">(</span><span class="NAME">index1</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>246</span> </span><span class="WHIT">            </span><span class="NAME">child2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getChildAt</span><span class="PUNC">(</span><span class="NAME">index2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>247</span> 
<span class='line'>248</span> </span><span class="WHIT">        </span><span class="NAME">child1.depth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>249</span> </span><span class="WHIT">        </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">index2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>250</span> </span><span class="WHIT">        </span><span class="NAME">child2.depth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">index1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>251</span> </span><span class="WHIT">        </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">index1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>252</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>253</span> 
<span class='line'>254</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>255</span>      * 根据指定键值或函数对子元素进行排序。
<span class='line'>256</span>      * @param {Object} keyOrFunction 如果此参数为String时，则根据子元素的某个属性值进行排序；如果此参数为Function时，则根据此函数进行排序。
<span class='line'>257</span>      */</span><span class="WHIT">
<span class='line'>258</span> </span><span class="WHIT">    </span><span class="NAME">sortChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">keyOrFunction</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>259</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fn</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">keyOrFunction</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>260</span> </span><span class="WHIT">            </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>261</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">fn</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">"string"</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>262</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">key</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fn</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>263</span> </span><span class="WHIT">            </span><span class="NAME">fn</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">a</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>264</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">b</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">a</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>265</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>266</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>267</span> </span><span class="WHIT">        </span><span class="NAME">children.sort</span><span class="PUNC">(</span><span class="NAME">fn</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>268</span> </span><span class="WHIT">        </span><span class="NAME">this._updateChildren</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>269</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>270</span> 
<span class='line'>271</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>272</span>      * 更新子元素。
<span class='line'>273</span>      * @private
<span class='line'>274</span>      */</span><span class="WHIT">
<span class='line'>275</span> </span><span class="WHIT">    </span><span class="NAME">_updateChildren</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">start</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">end</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>276</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>277</span> </span><span class="WHIT">        </span><span class="NAME">start</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">start</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>278</span> </span><span class="WHIT">        </span><span class="NAME">end</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">end</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>279</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">start</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">end</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>280</span> </span><span class="WHIT">            </span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>281</span> </span><span class="WHIT">            </span><span class="NAME">child.depth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>282</span> </span><span class="WHIT">            </span><span class="NAME">child.parent</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>283</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>284</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>285</span> 
<span class='line'>286</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>287</span>      * 返回是否包含参数指定的子元素。
<span class='line'>288</span>      * @param {View} child 指定要测试的子元素。
<span class='line'>289</span>      */</span><span class="WHIT">
<span class='line'>290</span> </span><span class="WHIT">    </span><span class="NAME">contains</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>291</span> </span><span class="WHIT">        </span><span class="KEYW">while</span><span class="PUNC">(</span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child.parent</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>292</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>293</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>294</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>295</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>296</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>297</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>298</span> 
<span class='line'>299</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>300</span>      * 返回由x和y指定的点下的对象。
<span class='line'>301</span>      * @param {Number} x 指定点的x轴坐标。
<span class='line'>302</span>      * @param {Number} y 指定点的y轴坐标。
<span class='line'>303</span>      * @param {Boolean} usePolyCollision 指定是否使用多边形碰撞检测。默认为false。
<span class='line'>304</span>      * @param {Boolean} global 使用此标志表明将查找所有符合的对象，而不仅仅是第一个，即全局匹配。默认为false。
<span class='line'>305</span>      * @param {Boolean} eventMode 使用此标志表明将在事件模式下查找对象。默认为false。
<span class='line'>306</span>      */</span><span class="WHIT">
<span class='line'>307</span> </span><span class="WHIT">    </span><span class="NAME">getViewAtPoint</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">usePolyCollision</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">global</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">eventMode</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>308</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">result</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">global</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>309</span> </span><span class="WHIT">            </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">obj</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>310</span> 
<span class='line'>311</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">--</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>312</span> </span><span class="WHIT">            </span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>313</span> </span><span class="WHIT">            </span><span class="COMM">//skip child which is not shown or pointer enabled</span><span class="WHIT">
<span class='line'>314</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">child.visible</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">child.alpha</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">eventMode</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">child.pointerEnabled</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">continue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>315</span> </span><span class="WHIT">            </span><span class="COMM">//find child recursively</span><span class="WHIT">
<span class='line'>316</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child.children</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">child.children.length</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="PUNC">(</span><span class="NAME">eventMode</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">child.pointerChildren</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>317</span> </span><span class="WHIT">                </span><span class="NAME">obj</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">child.getViewAtPoint</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">usePolyCollision</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">global</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">eventMode</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>318</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>319</span> 
<span class='line'>320</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">obj</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>321</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">global</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">obj</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>322</span> </span><span class="WHIT">                </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">obj.length</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">result</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">result.concat</span><span class="PUNC">(</span><span class="NAME">obj</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>323</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child.hitTestPoint</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">usePolyCollision</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>324</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">global</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>325</span> </span><span class="WHIT">                </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="NAME">result.push</span><span class="PUNC">(</span><span class="NAME">child</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>326</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>327</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>328</span> 
<span class='line'>329</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">global</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">result.length</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">result</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>330</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>331</span> 
<span class='line'>332</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>333</span>      * 覆盖渲染方法。
<span class='line'>334</span>      * @private
<span class='line'>335</span>      */</span><span class="WHIT">
<span class='line'>336</span> </span><span class="WHIT">    </span><span class="NAME">render</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">renderer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>337</span> </span><span class="WHIT">        </span><span class="NAME">Container.superclass.render.call</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">renderer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>338</span> 
<span class='line'>339</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">children</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.children.slice</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">child</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>340</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>341</span> </span><span class="WHIT">            </span><span class="NAME">child</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">children</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>342</span> </span><span class="WHIT">            </span><span class="COMM">//NOTE: the child could remove or change it's parent</span><span class="WHIT">
<span class='line'>343</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">child.parent</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">child._render</span><span class="PUNC">(</span><span class="NAME">renderer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">delta</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>344</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>345</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>346</span> 
<span class='line'>347</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>348</span> </span></pre></body></html>